GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project
 National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970

 Site No. 476, Approximate Location: 43.26 N. Latitude, 77.62 W. Longitude
 Site Name  Charlotte Harbor               on Lake Ontario      
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 Year Mo Da   T1   T2   C1  T1C1 T2C1  C2  T1C2 T2C2  C3 T1C3 T2C3  IMAGE   Supplemental Information
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 1900  3  6    7   -1   IN   -1   -1        -1   -1       -1   -1  004.TIF                                   
 1900  3 13    6   -1   RT   -1   -1        -1   -1       -1   -1  005.TIF                                   
 1900  3 20    9   -1        -1   -1        -1   -1       -1   -1  006.TIF                                   
 1900  4 10   -1   -1   OW   -1   -1        -1   -1       -1   -1  009.TIF                                   

 1901  3  5   10   -1   RT   -1   -1        -1   -1       -1   -1  011.TIF                                   
 1901  3 12   10   -1        -1   -1        -1   -1       -1   -1  012.TIF                                   

 1902  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  019.TIF                                   
 1902  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  020.TIF                                   
 1902  3 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  021.TIF                                   

 1903  3  3   -1   -1   OW   -1   -1        -1   -1       -1   -1  024.TIF                                   

 1904  3 15   13   -1   SO   -1   -1        -1   -1       -1   -1  031.TIF                                   
 1904  3 22   -1   -1   RT   -1   -1        -1   -1       -1   -1  032.TIF                                   
 1904  3 29   -1   -1   OW   -1   -1        -1   -1       -1   -1  033.TIF                                   

 1905  3  7   15   -1   SO   -1   -1        -1   -1       -1   -1  039.TIF                                   
 1905  3 14   15   -1   NC   -1   -1        -1   -1       -1   -1  040.TIF                                   

 1906  3  6    3   -1   RT   -1   -1        -1   -1       -1   -1  045.TIF                                   
 1906  3 20   -1   -1   IP   -1   -1        -1   -1       -1   -1  047.TIF                                   

 1907  3 12   -1   -1   OW   -1   -1        -1   -1       -1   -1  052.TIF   LOWER HARBOR                    
 1907  4  9   -1   -1   OW   -1   -1        -1   -1       -1   -1  056.TIF                                   

 1908  3 17   -1   -1   OW   -1   -1        -1   -1       -1   -1  059.TIF                                   
 1908  3 24   -1   -1   OW   -1   -1        -1   -1       -1   -1  060.TIF                                   
 1908  3 31   -1   -1   OW   -1   -1        -1   -1       -1   -1  524.TIF                                   

 1909  3  9   -1   -1   OW   -1   -1        -1   -1       -1   -1  065.TIF                                   
 1909  3 23   -1   -1   OW   -1   -1        -1   -1       -1   -1  067.TIF                                   
 1909  3 30   -1   -1   OW   -1   -1        -1   -1       -1   -1  068.TIF                                   

 1910  3  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  071.TIF                                   

 1911  3  7   -1   -1   OW   -1   -1        -1   -1       -1   -1  077.TIF                                   
 1911  3 14   -1   -1   OW   -1   -1        -1   -1       -1   -1  078.TIF                                   
 1911  3 21   -1   -1   OW   -1   -1        -1   -1       -1   -1  079.TIF                                   

 1912  3  5   -1   -1   OW   -1   -1        -1   -1       -1   -1  082.TIF                                   
 1912  3 12    2   -1   BK   -1   -1        -1   -1       -1   -1  083.TIF                                   

 1913  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  090.TIF                                   

 1914  3  3   -1   -1   OW   -1   -1        -1   -1       -1   -1  098.TIF                                   
 1914  3 17   -1   -1   OW   -1   -1        -1   -1       -1   -1  100.TIF                                   

 1915  3  9   -1   -1   OW   -1   -1        -1   -1       -1   -1  106.TIF                                   

 1916  3  7   -1   -1   OW   -1   -1        -1   -1       -1   -1  113.TIF                                   
 1916  3 28   -1   -1   OW   -1   -1        -1   -1       -1   -1  116.TIF                                   

 1918  3  5   -1   -1   OW   -1   -1        -1   -1       -1   -1  128.TIF                                   

 1920  3  9   -1   -1   OW   -1   -1        -1   -1       -1   -1  140.TIF                                   
 1920  3 16   -1   -1   OW   -1   -1        -1   -1       -1   -1  141.TIF                                   

 1934  3 27   -1   -1   OW   -1   -1        -1   -1       -1   -1  231.TIF                                   
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 Ice thickness is in inches, -1 = no thickness reported, see report for ice conditon codes.
 T1 = ice thickness or part of a range if T2 is present,  C1 = primary condtion of ice.
 T1C1 = thickness of C1 or part of range if T2C1 is presnet.
 C2, T1C2, T2C2, C3, T1C3, T2C3 are secondary and ternary ice conditon and condition thickness.